Edit report at https://bugs.php.net/bug.php?id=60264&edit=1

 ID:                 60264
 Updated by:         [email protected]
 Reported by:        max at cxib dot net
 Summary:            stack/memory exhaustion
-Status:             Open
+Status:             Duplicate
 Type:               Bug
 Package:            *Regular Expressions
 Operating System:   linux
 PHP Version:        5.4.0RC1
 Block user comment: N
 Private report:     N

 New Comment:

Depressingly, this is expected behaviour. See also bug #52818, amongst (many) 
others.


Previous Comments:
------------------------------------------------------------------------
[2011-11-11 11:49:11] max at cxib dot net

Description:
------------
pcre allow to stack or heap memory exhaustion

stack

cx () cx64:/www$ cat crash0.php
<?php
preg_match("/((.*)((!?.*)+)\\w+)/iU",str_repeat(" ",4096),$exxx);
?>
cx () cx64:/www$ php crash0.php
Segmentation fault






------------------------------------------------------------------------



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